Home / 22,380.17-33,539.99-8,521.61

Finding the Fourth Proportional to 22,380.17, 33,539.99 and 8,521.61

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Solution

The fourth proportional to 22,380.17, 33,539.99 and 8,521.61 is: 12,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.17 : 33,539.99 = 8,521.61 : x
  2. Step 2: Convert to fraction form
    22,380.17/33,539.99 = 8,521.61/x
  3. Step 3: Cross multiply
    22,380.17x = 33,539.99 × 8,521.61
  4. Step 4: Simplify right side
    22,380.17x = 285,814,503.88
  5. Step 5: Solve for x
    x = 285,814,503.88/22,380.17
  6. Step 6: Final answer
    x = 12,770.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.